“…In vitro maturation (IVM) of oocytes has become a routine procedure for the in vitro production of embryos in livestock species [ 1 ] and is gaining increasing attention as a fertility treatment in humans [ 2 ]. However, the quality of embryos derived from IVM oocytes is relatively low in comparison to their in vivo -derived counterparts, with only a limited proportion of IVM oocytes attaining full developmental potential [ 3 ].…”